*Note: This was written by an Associated Content contributor. Sign up here to start publishing your own sports articles. Four weeks into the 2010 NFL season, and we&#39;re looking at a league without a definite number one team. These power rankings are for week five. Here&#39;s the deal. You could put the Steelers, Ravens, Packers, Saints, Jets or Falcons at number one in your NFL power rankings and I wouldn&#39;t be upset in the slightest. Drew Brees has been great but the rest of his offense has not.